Papule: a small, solid, elevated lesion
Vesicle: a small, elevated lesion filled with clear fluid
Eschar: Thick dried scab
Nodule: a palpable, solid, round or oval lesion
Pustule: a small, circumscribed, elevated lesion containing prurulent material
Macule: a flat rash
Maculopapular: consisting of both macules and papules; describes an eruption in which some lesions are flat and some are elevated
Crust: a formed outer layer of dried serum, blood, or prurulent exudate on the surface of the skin. It can be thick and adherent.
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